package com.rowling.anno;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


@Retention(RetentionPolicy.CLASS)   //编译阶段
@Target(ElementType.FIELD)   //用在哪，用在属性上
public @interface FieldAnno {

    String value() default "hello";

}
